Home / 39,834.72-59,752.80-12,132

Finding the Fourth Proportional to 39,834.72, 59,752.80 and 12,132

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Solution

The fourth proportional to 39,834.72, 59,752.80 and 12,132 is: 18,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.72 : 59,752.80 = 12,132 : x
  2. Step 2: Convert to fraction form
    39,834.72/59,752.80 = 12,132/x
  3. Step 3: Cross multiply
    39,834.72x = 59,752.80 × 12,132
  4. Step 4: Simplify right side
    39,834.72x = 724,920,969.60
  5. Step 5: Solve for x
    x = 724,920,969.60/39,834.72
  6. Step 6: Final answer
    x = 18,198.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.